Fraktaali

import java.util.Scanner;
 
// @author Anssi
public class FraktaaliTehtava {
 
    private static char[][] result;
 
    public static void main(String[] args) {
 
        int count = new Scanner(System.in).nextInt();
 
        int length = (int) Math.pow(2, count - 1);
 
        result = new char[length][length];
        
 
        createFractal(count, 0, 0, false);
        
 
        for (int y = 0; y < length; y++) {
 
            for (int x = 0; x < length; x++) {
 
                System.out.print(result[x][y]);
            }
 
            System.out.println("");
        }
    }
 
    private static void createFractal(int count, int x, int y, boolean inverseColors) {
 
        if (count == 1) {
 
            result[x][y] = '#';
 
        } else {
 
            int subFractalLength = ((int) Math.pow(2, count - 2));
 
            for (int yIndex = 0; yIndex < 2; yIndex++) {
 
                for (int xIndex = 0; xIndex < 2; xIndex++) {
 
                    createFractal(count - 1, x + (subFractalLength * xIndex), y + (subFractalLength * yIndex), xIndex == 1 && yIndex == 1);
 
                }
 
            }
 
        }
 
        if (inverseColors) {
            
            int myLength = (int) Math.pow(2, count - 1);
 
            for (int xIndex = 0; xIndex < myLength; xIndex++) {
 
                for (int yIndex = 0; yIndex < myLength; yIndex++) {
 
                    result[x + xIndex][y + yIndex] = inverseChar(result[xIndex][yIndex]);
                }
 
            }
 
        }
 
    }
 
    private static char inverseChar(char character) {
 
        if (character == '#') {
            return '.';
        }
 
        return '#';
 
    }
 
}

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 2

Verdict: ACCEPTED

Test 3

Group: 3

Verdict: ACCEPTED

Test 4

Group: 4

Verdict: ACCEPTED

Test 5

Group: 5

Verdict: ACCEPTED

Test 6

Group: 6

Verdict: ACCEPTED

Test 7

Group: 7

Verdict: ACCEPTED

Test 8

Group: 8

Verdict: ACCEPTED

Test 9

Group: 9

Verdict: ACCEPTED

Test 10

Group: 10

Verdict: ACCEPTED